Costco Wholesale

COST13F as of Jun 30, 2026 · next update ~Nov 14

Who's buying COST

Top funds mostly trimmed Costco Wholesale in Q2 (Apr⁠–⁠Jun)

Buying:

FundsInsidersCongress

Top funds
0 of 7 bought more, 4 sold some. Largest: Markel Group, $36.6M (0% of its portfolio).
Insiders
No buys, 11 sales in 12 months.
Congress
1 member bought (1 trade), 3 sales in 12 months.

7 funds$47.1M held0.1% avg. weightQ2: 0 bought / 4 sold

13F reports are a snapshot as of Jun 30, 2026; funds may have traded since. Insiders often sell for personal reasons (taxes, diversification, planned sales).

Share price · market data, not from 13F reports

Q2 2026

Insider trades (Form 4)

Last 2 years · 25 filings

Date	Insider	Type	Shares	Price	Value
Oct 13, 2026	William Richard Wilcox VP	Sold	1,100	$958.21	$1.05M
Sep 29, 2026	Caton Frates VP	Sold	801	$915.93	$733K
Sep 29, 2026	Claudine Adamo VP	Sold	2,200	$915.93	$2.02M
Jun 23, 2026	Kenneth D Denman Director	Sold	885	$957.45	$847K
Apr 1, 2026	Caton Frates VP	Sold	700	$993.00	$695K
Jan 21, 2026	Teresa A. Jones VP	Sold	850	$986.26	$838K
Jan 16, 2026	Susan L Decker Director	Sold	458	$955.00	$437K
Jan 14, 2026	James C Klauer VP	Sold	1,500	$939.00	$1.41M
Jan 9, 2026	Russell D Miller VP	Sold	1,500	$916.32	$1.37M
Dec 29, 2025	Javier Polit VP	Sold	2,607	$866.28	$2.26M
Nov 7, 2025	William Richard Wilcox VP	Sold	2,400	$930.13	$2.23M
Oct 24, 2025	Tiffany Marie Barbre	Sold	1,239	$934.62	$1.16M
Oct 24, 2025	Claudine Adamo VP	Sold	2,700	$935.68	$2.53M
Sep 29, 2025	Russell D Miller VP	Sold	3,381	$915.00	$3.09M
Sep 29, 2025	Caton Frates VP	Sold	1,540	$910.02	$1.40M
Aug 20, 2025	Teresa A. Jones VP	Sold	600	$992.05	$595K
Jul 14, 2025	Yoram Rubanenko VP	Sold	4,000	$974.96	$3.90M
Jun 18, 2025	Susan L Decker Director	Sold	547	$980.00	$536K
Jun 9, 2025	Patrick J Callans VP	Sold	3,000	$1002.77	$3.01M
Jun 6, 2025	Pierre Riel VP	Sold	2,000	$1014.15	$2.03M
Apr 17, 2025	James C Klauer VP	Sold	4,000	$981.07	$3.92M
Mar 27, 2025	Gary Millerchip VP	Sold	1,100	$940.01	$1.03M
Mar 24, 2025	Claudine Adamo VP	Sold	900	$922.56	$830K
Mar 18, 2025	Caton Frates VP	Sold	850	$900.25	$765K
Mar 11, 2025	Roland Michael Vachris President & CEO	Sold	3,600	$931.00	$3.35M